River in curvedchannel, due to an encounter with gabion mesh cage or gabion mesh pad, rivers will turn down the natural river flow can secure boot river.
In this paper a turbulent curvedchannel flow was studied with the direct numerical simulation. The main objective way to investigate the influence of curvature on the turbulence.
本文采用直接数值模拟的方法对弯槽湍流进行了研究，主要目的是研究流向曲率对湍流流动情况的影响。
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The model is applied to forecast the variation process of main stream direction, cross section and channel slope of a conceptualized curved river under the erosion of clear water.